@charset "utf-8";

html,
body,
ol,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
th,
td,
dl,
dd,
form,
fieldset,
legend,
input,
textarea,
select {
    margin: 0;
    padding: 0;
}

a,
u {
    /* 去掉下划线 */
    text-decoration: none;
}

i,
em {
    /* 不倾斜 */
    font-style: normal;
}

b,
strong {
    /* 不加粗 */
    font-weight: normal;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 16px;
    font-weight: normal;
}

li {
    /* 去掉列表符号 */
    list-style: none;
}

img {
    /* 去掉图片下方3px的缝隙 */
    vertical-align: top;
}

input {
    /* 聚焦的黑边框 */
    outline: none;
}

/* 万能清除符 */
.clear_fix:after {
    content: "";
    clear: both;
    display: block;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}